Paula Cooper, 43, left prison Monday morning, decades after she became America's youngest resident of death row at age 16. She had confessed to the 1985 murder of Bible studies teacher Ruth Pelke, 78, in Gary, Ind. Cooper's death sentence was commuted in 1989, after widespread appeals for mercy.

The human voice appears to trigger pleasure circuits in the brains of typical kids, but not children with autism, a Stanford University team reports. The finding could explain why many children with autism seem indifferent to spoken words.

Once upon a time, it was MySpace. (Huh. Turns out you can still link to it.) Then Facebook happened. And Twitter. And beyond those two dominant social-media platforms, there are a host of other, newer options for staying in touch and letting the digital universe get a look at your life. And for certain kinds of sharing, some of those other options make more sense to tech-savvy teens than the Big Two do.

Note: As part of NPR's series on the summer of 1963, reporter Cory Turner headed to Jackson, Miss. to take a look at how folks are teaching the Civil Rights movement to kids who weren't a part of it — and making the lessons stick.

Much has changed in the past 50 years, since the height of the Civil Rights movement. But how do you teach the Civil Rights to kids who haven't ever experienced it? In Jackson, Miss., Fannie Lou Hamer Institute's Summer Youth Workshop tackles that question.

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MELISSA BLOCK, HOST:

In Turkey, anti-government protests are concentrated in Istanbul and Ankara, but they have spread to many cities around the country, reaching all the way to the Syrian border.

NPR's Peter Kenyon recently visited Hatay Province and found mounting discontent and growing fear of sectarian violence.

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In his speech in Belfast, President Obama talked at length about the transformation of that city from conflict zone to a city bustling with normal healthy daily life. He got the biggest burst of applause when he tossed in a bit of Irish vernacular.

PRESIDENT BARACK OBAMA: Students lounge at cafes asking each other, what's the crack?

BLOCK: What's the crack? Translation, how you doin'? Are you having fun?

OBAMA: So to paraphrase Seamus Hayden(ph), it's the manifestation of sheer bloody genius. This island is now chic.

The man who leaked secret National Security Agency documents, Edward Snowden, defended his decision to reveal details of U.S. surveillance programs in a web chat on Monday. Snowden said he's still in Hong Kong and claims he wouldn't get a fair trial in the U.S. He also said he has not been in contact with the Chinese government and that there are more disclosures to come.

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In Southern California, the power grid is always a hot topic. It's a part of the country that is all too familiar with the rolling blackouts. And now there is more reason for concern about the region's capacity to generate electricity. The San Onofre nuclear power plant is shutting down for good, thanks to worn-out parts. It's been off-line for more than a year after a pipe was found leaking radioactive steam. At its peak, San Onofre provided power for 1.4 million homes.

Old shoes can tell a story. A mother in New Jersey is hoping her exhibit of old shoes will help young people avoid violence. She's trying to collect a pair of shoes connected to every young person killed by gun violence in the U.S. in 1998 — the year her son was shot to death.